1. A romantic interlude spanning more than 3 hours.
2. A romantic interlude consisting of multiple attempts at and completions of sex. Note: The use of E.D. remedies (Viagra, Levitra) will re-categorize the acts and the term clobberthon no longer applies. See "Bob Dole on a Roll"

I met a freak at the club and brought her home... It was Clobberthon 2006".